211359687

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:369

約数の個数: 64

約数和(自身を含む): 364953600

約数和(自身を除く): 153593913

約数列:

[1, 3, 7, 11, 21, 33, 49, 71, 77, 147, 213, 231, 263, 343, 497, 539, 781, 789, 1029, 1491, 1617, 1841, 2343, 2893, 3479, 3773, 5467, 5523, 8679, 10437, 11319, 12887, 16401, 18673, 20251, 24353, 38269, 38661, 56019, 60753, 73059, 90209, 114807, 130711, 141757, 205403, 267883, 270627, 392133, 425271, 616209, 803649, 914977, 992299, 1437821, 2744931, 2976897, 4313463, 6404839, 10064747, 19214517, 30194241, 70453229, 211359687]

約数ペア:

[(1, 211359687), (3, 70453229), (7, 30194241), (11, 19214517), (21, 10064747), (33, 6404839), (49, 4313463), (71, 2976897), (77, 2744931), (147, 1437821), (213, 992299), (231, 914977), (263, 803649), (343, 616209), (497, 425271), (539, 392133), (781, 270627), (789, 267883), (1029, 205403), (1491, 141757), (1617, 130711), (1841, 114807), (2343, 90209), (2893, 73059), (3479, 60753), (3773, 56019), (5467, 38661), (5523, 38269), (8679, 24353), (10437, 20251), (11319, 18673), (12887, 16401)]